Effects of broadband sound and alarm cue on the behaviour of Common Carp / by Jaewoo Kim, Kyle D. Crans and Nicholas E. Mandrak.: Fs97-4/3209E-PDF

"Permanent barriers are considered most effective in preventing the movement of invasive fishes, but may not be feasible due to costs and/or logistical constraints. Alternative nonpermanent barriers using electricity, light, sound, pressure, and bubbles are currently being developed and deployed for the management of aquatic invasive species. However, theeffectiveness of these barriers is not well understood. We conducted a series of laboratory trials to examine the effects of broadband sound and alarm cue on the behaviour of Common Carp, Cyprinus carpio (Linnaeus 1758). In response to either the broadband sound or alarm cue, Common Carp did not change their positions relative to the origin of each stimulus within an experimental tank. In addition, their behavioural responses did not significantly differ among two, five, 15, and 30 minute exposures. Our results indicate that broadband sound or alarm cue may not be an effective control tool for Common Carp and highlight the importance of testing non-permanent fish-barrier technologies in a laboratory setting when considering management options for dealing with invasive species"--Abstract.

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